Posted by Christine on Wednesday, October 3, 2012 at 5:17pm.
Moe earns 15% more than her husband Joe. Together they make 78000 per year. What is Joe’s annual salary?
Answer to two significant figures.
My answer was $31000, but the program doesn't seem to want to take it. Did I do something wrong?

Physics(class) /Math (problem)  Steve, Wednesday, October 3, 2012 at 5:22pm
if Joe makes J dollars, then Moe earns 1.15J
J + 1.15J = 78000
J = 36279
So, Joe makes $36279
Moe makes $41721
add 'em up to get 78000

Physics(class) /Math (problem)  Christine, Wednesday, October 3, 2012 at 8:42pm
Oh I found my mistake thanks. :)
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